Lesson 24 Beatuy 美 First listen and then answer the following question. 听录音，然后回答以下问题。 ...

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Lesson 33 Education 教育 First listen and then answer the following question. 听录音，然后回答以下 ...

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Lesson 32 Galileo reborn 伽利略的复生 First listen and then answer the following question. 听录音， ...

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Lesson 31 The sculptor speaks 雕塑家的语言 First listen and then answer the following question. 听 ...

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Lesson 30 Exploring the sea-floor 海底勘探 First listen and then answer the following question. 听 ...

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Lesson 27 The 'Vasa' “瓦萨”号 First listen and then answer the followin ...

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Lesson 37 The process of ageing 衰老过程 First listen and then answer the following question. 听录 ...

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Lesson 35 Space odyssey 太空探索 First listen and then answer the following question. 听录音，然后 ...

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Lesson 36 The cost of government 政府的开支 First listen and then answer the following question. 听 ...

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Lesson 34 Adolescence 青春期 First listen and then answer the following question. 听录音，然后回答 ...

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Lesson 39 Waves 海浪 First listen and then answer the following question. 听录音，然后回答以下问题 ...

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Lesson 2 Spare that spider 不要伤害蜘蛛 First listen and then answer the following question. 听录音 ...

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Unit 1 Lesson 1 Finding fossil man 发现化石人 First listen and then answer the following question. ...

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Lesson 39 What every writer wants 作家之所需 First listen and then answer the following question. ...

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Lesson 38 Water and the traveller 水和旅行者 First listen and then answer the following question. ...

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Lesson 3 Matterhorn man 马特霍恩山区人 First listen and then answer the following question. 听录音 ...

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Lesson 5 Youth 青年 First listen and then answer the following question: 听录音，然后回答以 ...

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Lesson 4 Seeing hands 能看见东西的手 First listen and answer the following question. 听录音，然后回 ...

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Lesson 8 Trading standards 贸易标准 First listen and then answer the following question. 听录音，然 ...

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Lesson 7 Bats 蝙蝠 First listen and then answer the following question. 听录音，然后回答以下问题。 ...

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